Just for some further context. Plough is a publication of the Bruderhof community which is Christian but in a much more radical sense than mainstream Christianity (no private property, radical non-violence, etc.).
I've visited their community in upstate NY and really enjoyed it.
What they're saying is that their underlying hardware has been selected such that it can be used with the Arduino programming environment to target it as if it were a regular Arduino. So it is compatible with Arduino software and tools.
I've visited their community in upstate NY and really enjoyed it.